Brookfield DV-I Prime Manual do Utilizador descarregar pdf (Página 18)

Brookeld Engineering Laboratories, Inc. Page 18 Manual No. M/07-022-D0613

If the ARROW key is pressed just once and then released, the characters RPM will blink for three

seconds, then will cease blinking resulting in no change to the speed entry.

NOTE: The speed selection process remembers the last value of scrolled-to speed so that

the next time you initiate a speed change (by pressing an

ARROW key), the DV-I

PRIME will begin its scroll display from the last entered value.

The last scrolled-to-speed does not necessarily have to be the same as the speed at which the

DV-I PRIME is currently running. The user may operate at a given speed and pre-set the DV-I

PRIME to the next desired speed before that speed will be used. For example, if the DV-I PRIME

is currently running at 10 RPM and was previously scrolled to 20 RPM, a single press of either

ARROW key would result in the Figure II-10 screen display:

cP 872.0 S01

10 RPM20 % 87.2

Scrolled to Selected Speed Operating Speed

Figure II-10

Pressing the

SET SPEED key would cause the DV-I PRIME to begin running at 20 RPM.

If motor is off, pressing the

MOTOR ON/OFF key immediately starts the DV-I PRIME running at

the last scrolled-to-speed. If you had been running at 10 RPM, pressed

MOTOR ON/OFF and then

re-started the DV-I PRIME by pressing

MOTOR ON/OFF once again, you would again be running

at 10 RPM. However, if while the motor was off you had scrolled to a new speed of 20 RPM,

pressing the

MOTOR ON/OFF key would start the DV-I PRIME running at 20 RPM.

DV-I PRIME remembers last speed selected when power is shut down.

NOTE: During both spindle or speed selection and scrolling operations, the DV-I PRIME

will continue to calculate and display viscosity (cP) and torque (%).

II.4 Autorange

The AUTO RANGE key allows you to determine the maximum calculated viscosity (full scale reading)

possible with the current spindle/speed setting. Pressing the key at any time will cause the current

viscosity display to change and show that maximum viscosity. The screen torque display will

now display a ashing “%100.0” to indicate this special condition. This maximum viscosity and

ashing %100.0 value will be displayed for as long as the

AUTO RANGE key is depressed. Figure

II-11 shows the

AUTO RANGE function for the situation where the No. 3 RV spindle is rotating at

20 RPM. The Full Scale Range is 5000 cP (or 5000 mPa

s).

cP 5000 S03

20 RPM %100.0

Figure II-11

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 70 71

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